Mortality among Negroes since 1920 : with comparative data for southern whites and northern Negroes / by Mary Gover. Prepared by direction of the surgeon general.
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Main Author: | |
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Format: | Government Document Book |
Language: | English |
Published: |
Washington :
U.S. Govt. Print. Off,
1937.
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Series: | Public health bulletin ;
no. 235. |
Subjects: |